package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.dto.DishDto;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.entity.Dish;
import com.itheima.reggie.entity.DishFlavor;
import com.itheima.reggie.entity.Setmeal;
import com.itheima.reggie.service.CategoryService;
import com.itheima.reggie.service.DishFlavorService;
import com.itheima.reggie.service.DishService;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;

@RestController
@RequestMapping("/dish")
public class DishController {

    @Autowired
    private DishFlavorService dishFlavorService;

    @Autowired
    private DishService dishService;
    
    @Autowired
    private CategoryService categoryService;

    @PostMapping
    public R<String> save(@RequestBody DishDto dishDto)
    {
        dishService.saveWithFlavor(dishDto);
        return R.success("新增菜品成功");
    }
    @GetMapping("/page")
    public R<Page> page(int page,int pageSize,String name)
    {
        Page<Dish> pageInfo =new Page<>(page,pageSize);
        Page<DishDto> dishDtoPage =new Page<>();


        LambdaQueryWrapper<Dish> lqw=new LambdaQueryWrapper<>();
        lqw.like(name!=null,Dish::getName,name);
        lqw.orderByDesc(Dish::getUpdateTime);

         dishService.page(pageInfo,lqw);

        BeanUtils.copyProperties(pageInfo,dishDtoPage,"records");

        List<Dish> records = pageInfo.getRecords();

        List<DishDto> list =   records.stream().map((item)->{
            DishDto dishDto=new DishDto();
            BeanUtils.copyProperties(item,dishDto);

            Long categoryId = item.getCategoryId();
            Category category = categoryService.getById(categoryId);
            if (category != null) {
                String categoryName = category.getName();
                dishDto.setCategoryName(categoryName);
            }
            return dishDto;
        }).collect(Collectors.toList());



        dishDtoPage.setRecords(list);
        return R.success(dishDtoPage);
    }

    @GetMapping("/{id}")
    public R<DishDto> get(@PathVariable Long id)
    {
        DishDto dishDto = dishService.byIdWithFlavor(id);

        return R.success(dishDto);
    }

    @PutMapping
    public R<String> update(@RequestBody DishDto dishDto)
    {
        dishService.updateWithFlavor(dishDto);
        return R.success("修改菜品成功");
    }

   /* @GetMapping("/list")
    public R<List<Dish>> list(Dish dish)
    {
        LambdaQueryWrapper<Dish> lqw=new LambdaQueryWrapper<>();
        lqw.eq(dish.getCategoryId()!=null,Dish::getCategoryId,dish.getCategoryId());
        lqw.eq(Dish::getStatus,1);
        lqw.orderByAsc(Dish::getSort).orderByDesc(Dish::getUpdateTime);

        List<Dish> list = dishService.list(lqw);

        return R.success(list);


    }*/

    @GetMapping("/list")
    public R<List<DishDto>> list(Dish dish)
    {
        LambdaQueryWrapper<Dish> lqw=new LambdaQueryWrapper<>();
        lqw.eq(dish.getCategoryId()!=null,Dish::getCategoryId,dish.getCategoryId());
        lqw.eq(Dish::getStatus,1);
        lqw.orderByAsc(Dish::getSort).orderByDesc(Dish::getUpdateTime);

        List<Dish> list = dishService.list(lqw);

        List<DishDto> dishDtoList =   list.stream().map((item)->{
            DishDto dishDto=new DishDto();
            BeanUtils.copyProperties(item,dishDto);

            Long categoryId = item.getCategoryId();
            Category category = categoryService.getById(categoryId);
            if (category != null) {
                String categoryName = category.getName();
                dishDto.setCategoryName(categoryName);
            }
            Long dishId = item.getId();
            LambdaQueryWrapper<DishFlavor> lambdaQueryWrapper =new LambdaQueryWrapper<>();
            lambdaQueryWrapper.eq(DishFlavor::getDishId,dishId);

            List<DishFlavor> dishFlavors = dishFlavorService.list(lambdaQueryWrapper);
            dishDto.setFlavors(dishFlavors);
            return dishDto;
        }).collect(Collectors.toList());




        return R.success(dishDtoList);


    }

    @PostMapping("/status/{status}")
    public R<String> update(@PathVariable Integer status,@RequestParam List<Long> ids)
    {
       ids.stream().map((item)->{
           Dish dish = dishService.getById(item);
            dish.setStatus(status);
            dishService.updateById(dish);
            return item;
       }).collect(Collectors.toList());

        return R.success("修改售用状态成功");

    }

    @DeleteMapping
    public R<String> delete(@RequestParam List<Long> ids){

        dishService.deleteWithFlavor(ids);
        return R.success("菜品删除成功");
    }


}
